Country of OriginUnited States
Nicknames and Other NamesAustralian Koolie, Coulie,
German Koolie, German Coolie
Scientific NameCanis lupus familiaris
Breed TypePurebred
GroupHerding Dog, Working Dog
Bred ForWorking and Family Companion
Life Span12-18 Years
Ideal Weight33-53 Pounds (male and female)
Ideal Height13-23 Inches (male and female)
Fur TypeShort, Smooth, Medium, Dense
Common ColorsChocolate, Red Merle, Tri-Color,
Merle, Blue
MarkingsBlack and White markings
AvailabilityModerately Available
Suitable for ApartmentsYes
Used in World WarNo
Most Similar ToAustralian Shepherd

The Koolie is a medium-sized working dog. It is also known by the names: Australian Koolie, German Coolie, German Koolie, Coulie. It is a working and herding dog that is very active and needs a dog owner who can meet up with their activity level. It can adopt an apartment life as long as it is provided with regular and enough exercise.

The Koolie is a sturdy dog with a broad head and long muzzle. The eyes are beautiful and expressive while the ears are a triangle in shape and semi-erect. They have a bushy tail like that of the fox. Although a working dog, it also does best as a family pet.

Origin and History

The origin of the Koolie is in Australia. There is nothing much documented on this breed. It is bred to be a working and herding dog that was used in farms to look after cattle, sheep and also herd them. It is believed that Koolie was brought to Australia by German immigrants due to which it is also known as German Koolie.

Koolie has not yet been recognized or even registered by the American Kennel Club. Also, it has not been recognized by any major Kennel Club.

Temperament, Behavior, and Personality

Temperament: The temperament of the Koolie is easy going, alert, and energetic. They are a highly active dog who needs regular exercise like running, walking or just playing. They are good with strangers as well if properly introduced. If they sense something going wrong, they will bark and let the owner know.

Behavior: As a working dog, Koolie needs a good amount of exercise. If they do not get the required exercise, they can become anxious and even depressed. So involve them in household activities and also in regular exercise.

Personality: The personality of the Koolie is friendly, playful, and gentle. They love spending time with their people and enjoy being in their company. They are good with other pets too if raised together from an early age.

Is Koolie is Child-Friendly?

Koolie gets along well with children as they are playful and friendly with them. They are highly energetic which makes them play with kids all day long. Although they get along well, their interaction should always be supervised as kids might play rough sometime and hurt your dog. So, teach your kids to behave around dogs.

Children clicking photo with a koolie
Children clicking photo with a koolie.
Image Source: Instagram-@ myhtribe_ryan


Koolie can be trained easily as they are intelligent and eager to please their owner. They tend to respond well to positive methods of training where treats are included as a reward. This will keep them motivated and focused on the training session. Establish a firm and consistent leadership and never be harsh with them.


  • The ‘Koolie’ name has been come up due to the mispronunciation of ‘collie’.

Health Issues

General HealthHealthy
Common Health IssuesHip Dysplasia, Patellar Luxation, Glaucoma,
Lens Luxation, Deafness
Vaccination RequiredRabies, Canine Distemper, Canine Coronavirus,
Canine Parvovirus, Canine Parainfluenza,
Leptospirosis, Kennel Cough
SheddingModerate Shedder
DroolingLow Drooler
GroomingAverage Grooming Required
Weight Gain PotentialLow
Separation AnxietyModerate Chacne
Diets and SupplementsProtein: 22%
Fat: 8%
Digestive Enzymes

Koolie is generally a healthy breed with few possible canine health problems. It has a life expectancy of 12-15 years.

  • Deafness: It can face the problem of hearing but it will not affect the overall health of your dog. There are much good hearing aids in the market that will make the life of your dog easy. Consult a vet for proper and effective treatment.
  • Congenital Eye Defects: It is the abnormality of the eye where it causes redness, large pupil, blindness, pain in the eye. The treatment mostly includes surgery, so consult a vet for proper treatment of the eye of your dog before it gets worse.


The Koolie comes in the following colors:

  • Tri-color
  • Chocolate
  • Red Merle
  • Merle
  • Blue Merle
  • White markings
  • Black patch


Koolie puppy
Koolie puppy looking with its beautiful eyes.
Image Source: Pinterest-@CC Fennellco

Cost: The average cost of the Koolie is between


Height: The average height of the Koolie is between 13-23 inches.

Weight: The average weight of the Koolie is between 33-53 pounds.

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